Massage roller core



FIG. 1 is a three-quarters perspective view thereof, with the massage surface or body of a massage roller reflected in dashed lines surrounding the core for illustrative purposes only as it is not a claimed feature of this invention;

FIG. 2 is a three-quarters perspective view thereof, showing only the massage roller core;

FIG. 3 is an end view thereof, with the massage surface or body of the massage roller reflected in dashed lines surrounding the core for illustrative purposes only as it is not a claimed feature of this invention, the opposite side being the mirror image; and,

FIG. 4 is a cross-section side view thereof taken at line 4-4 of FIG. 3 with the massage surface or body of the massage roller reflected in dashed lines surrounding the core for illustrative purposes only as it is not a claimed feature of this invention.

A massage roller core is disclosed. The core is referred to as an “X-core” and/or otherwise described as being “finned.”

The features of the massage roller core are shown and described in the drawings. 

CLAIM The ornamental design for a massage roller core, as shown and described. 